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The Magnetic Field at a Certain Distance from a Wire

Question 28

Multiple Choice

The magnetic field at a certain distance from a wire carrying 2-A current is 4 μT. What will be the magnetic field if the current in the wire is doubled?


A) 2 μT
B) 4 μT
C) 6 μT
D) 8 μT
E) 10 μT

Correct Answer:

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